private bool IsBeginningOfExpression(char nextChar)
{
var caret = CaretPosition;
var scriptWithNextChar = (Script ?? string.Empty).Insert(CaretPosition, nextChar.ToString(CultureInfo.InvariantCulture));
caret++;
return(provider.IsBeginningOfExpression(Script, CaretPosition) || provider.IsBeginningOfExpression(scriptWithNextChar, caret));
}
private bool IsBeginningOfExpression(char nextChar)
{
var caret = CaretPosition;
var script = (Script ?? string.Empty).Insert(CaretPosition, nextChar.ToString());
caret++;
return(provider.IsBeginningOfExpression(Script, CaretPosition) || provider.IsBeginningOfExpression(script, caret));
}
public ScriptEditorViewModel(IEventAggregator eventAggregator, ICodeCompletionProvider provider, CompletionPopupViewModel completionModel, FileSystem fileSystem)
{
this.eventAggregator = eventAggregator;
this.provider = provider;
this.fileSystem = fileSystem;
Replacer = new Replacer();
CompletionWindow = completionModel;
Enabled = true;
UpdateCompletionItems();
eventAggregator.Subscribe(this);
completionModel.Observers.Add(new OpenOnWriteAction(IsBeginningOfExpression));
completionModel.Observers.Add(new CloseOnSteppingIntoEndOfExpression(() => provider.IsBeginningOfExpression(Script, CaretPosition)));
completionModel.Observers.Add(new CloseOnWritingEndOfExpression(IsEndOfExpression));
}